设 [tex=16.714x1.214]4l8waX9Bpdc0rauoz3tcpf4z9rRO6zIymVguUJnnoGPbzRg8wmVUXezjrTxQdMQi[/tex] 则 [tex=6.714x1.5]NWUYY0ufqrG2Ab0d8aAaEeipFjT6YkTKueONq0VN7es=[/tex][input=type:blank,size:4][/input].
举一反三
- >>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']
- 【计算题】5 ×8= 6×4= 7×7= 9×5= 2×3= 9 ×2= 8×9= 7×8= 5×5= 4×3= 5+8= 6 ×6= 3×7= 4×8= 9×3= 1 ×2= 9×9= 6×8= 8×0= 4×7=
- set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为？ A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}
- 设随机变量 [tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex] 服从参数 [tex=3.143x1.286]+YbFeYrJMNsGfJf0KraF7SPelDX5xgqsp9CtXCLBwA8=[/tex] 的指数分布,则 E(X)= [input=type:blank,size:4][/input], D(X) =[input=type:blank,size:4][/input].
- 若[tex=8.857x3.357]Uyz5s0rmQIddjb5Jc2T/YQrtN3x5ZN9FMGW6yC3xzseiTBqypew7SW9sf0+ImEr8Gb2OxOc7YQnxDUAy/QpPIvpyRkYir8yXfSAvaVVfv9tpEubyVKyvyG1FvqsyObDQVYRa5euYkQmr6Zp5am+qjeoyfm7qtU6E7/m8bxoAtCI=[/tex]，则[tex=9.857x3.929]Uyz5s0rmQIddjb5Jc2T/Yet6pkqm2clWks988tQGMyddjCfgQJZCXqeyBo6TCVQLD+q4ocARe8VDh4eF88bR2uWUDgBmpI7LuOFSX83tpVYXrB/7L1y8UtKr8v2VjCLamW9xuHzuh/LfosKzoixoWMuCwsl97RSleQYwcCfwWoRtFlHMnwklS6da513LincC[/tex][input=type:blank,size:6][/input] . A: 2 B: 4 C: 8 D: 16